英 [ˈnesəsəri] 美 [ˈnesəseri]
adj. 必要的，必需的；必然的，不可避免的；迫不得已的，非自愿的
n. （生活）必需品；<英，非正式>必要的事（the necessary）；<英，非正式>足够的钱（the necessary）
【名】 （Necessary）（英）内塞瑟里（人名）
复数necessaries
比较级more necessary
最高级most necessary
necessary /ˈnɛsɪsərɪ/ CET4 TEM4
形容词 Something that is necessary is needed in order for something else to happen. 必要的
I kept the engine running because it might be necessary to leave fast.
我让发动机一直开着，因为可能需要快速离开。
Make the necessary arrangements.
做必要的一些安排。
形容词 A necessary consequence or connection must happen or exist, because of the nature of the things or events involved. 必然的
Scientific work is differentiated from art by its necessary connection with the idea of progress.
科学工作不同于艺术在于它与进步的概念有必然联系。
anything indispensable
同义词： necessity / essential / requirement / requisite
absolutely essential
unavoidably determined by prior circumstances
the necessary consequences of one's actions
必要性-引用次数：883
The point is that it is necessary to introduce proper supervisory mechanism into teamwork.3.
强调了在团队运作中引入适当监督机制的必要性。
参考来源团队激励研究
必要性-引用次数：687
Chapter 2:The necessary of custody of act system.
第二章论述了设立行为保全制度的必要性。
必需的-引用次数：55
So,the establishment of Unified Judicial Examination,which is adapt with the concept of The rule of law,is necessary.
因此,在我国建立统一司法考试制度是必需的,也是与建设中国特色社会主义法治国家的治国理念相适应的。
应然-引用次数：26
Thus, in this construction, it is necessary for the main body of the market economy to be regulated and exerted on economic moral education.
因而,在建立和发展社会主义市场经济的过程中,对市场经济活动的主体加以规范并对其进行经济道德教育是社会主义市场经济发展的应然之有。
生活必需品-引用次数：2
参考来源理解“行动”
必然-引用次数：33
The reasoning here means pragmatic reasoning and it relies on certain context. And there’s no necessary relationship between presupposition and conclusion.
这里说的推理指的是语用推理，它依赖于一定的语境而进行，其前提和结论之间没有必然的联系，旨在说服和确信。
参考来源修辞中的“真”与“美”
必要的-引用次数：43
必然-引用次数：16
He thought that logic is the science of necessary and valid inference rules.
他认为,逻辑是必然有效的推论规律的科学。
参考来源殷海光逻辑思想研究
必要性-引用次数：7
参考来源Liénard方程的奇点
必须的-引用次数：4
参考来源中等职业学校微积分课程改革初探
从纯粹的经营角度讲庄家不需要把握什么比赛;从风险管理的角度来看庄家又必须要对即将发生的事件作出必要(Necessary)的评估和预测,以提供适合市场的产品同时最大限度地规避危险.
更没有必要(Necessary)将他们"绳之以法"。俗话说(As the saying goes)：村看村，户看户，社员看干部。
...可以借助第三方网站，比如理财者网,网上查一下就知道网址了，上面的(Surface)实时血本流向和持仓明细仍旧成为散户必备(Necessary)的工具。据说有人利用这个一年翻15倍。
实际上是个服务公司，没必要(Necessary)是金融机构。改变自己是自救，影响别人是救人。
necessitarian 必然论的；宿命论的
necessarily 必要地；必定地，必然地
necessity 需要；必然性；必需品
necessitarian 必然论者；宿命论者
necessitate 使成为必需，需要；迫使
[数]必要的；必需的；必然的
inevitable / required / essential / certain / automatic
必需品
If necessary I can come at once.
如果有必要，我可以马上来。
I can take the car if necessary.
如果必要的话，我可以乘汽车去。
Sometimes it is necessary to say no.
有时候说“不”是必要的。
I might say I touched all the bases if I did what is necessary to complete a job or activity.
VOA : special.2009.04.12
But I think, you know, maybe that was necessary because it's an important relationship.
但是我认为，可能那是必需的，因为这层关系太重要了。
SpeakingMax英语口语达人 : 英国的首相们
And he's going to have to rectify the circumstances that made his destruction of the earth necessary in the first place.
他不得不修正,他认为有必要毁灭人类的情形。
旧约导论课程节选 : 耶鲁公开课
He used strong language and seemed to say that the United States would fight, if necessary,to defend its claim.
VOA : special.2009.02.19
I did not intend to fight unless it became necessary in self-defense and in the performance of official duty.
VOA : special.2010.02.15
He made a wisecrack about dealing with deflation, if necessary, by dropping dollar bills from aircraft.
Having a car is ideal, although cycling is sometimes necessary because of parking restrictions.
The Myth Of Stars 06.12.02 Movie stars are absolutely necessary to launch a hit picture.